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  1. #include <iostream>
  2. #include <set>
  3.  
  4. using namespace std;
  5.  
  6. struct Person {
  7.     int id;
  8.     string name;
  9.     Person(int no) : id(no), name("Pepe") {};
  10.     bool operator== (const int& id) const {
  11.         return this->id == id;
  12.     }
  13.     bool operator< (const Person& q) const {
  14.         return id < q.id;
  15.     }
  16.     bool operator< (const int& id) const {
  17.         return this->id < id;
  18.     }
  19. };
  20.  
  21. int main() {
  22.     set<Person> s;
  23.     s.insert(1);
  24.     set<Person>::iterator it;
  25.     it = s.find(1);
  26.     if (it == s.end())
  27.         cout << "no encontrado" << endl;
  28.     else
  29.         cout << (*it).name << endl;
  30. }
Success #stdin #stdout 0s 15240KB
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Standard input is empty
stdout
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Pepe
https://ideone.com/6iamoJ
language:
C++14 (clang 8.0)
created:
7 years ago
visibility:
public

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